<template>
  <div class="footer">
    <div class="footer-box">
      <div class="footer-tab"></div>
      <div class="footer-tab"></div>
      <div class="footer-tab"></div>
      <div class="footer-tab"></div>
    </div>
  </div>
</template>

<script>
export default {

}
</script>

<style lang="scss" scoped>
$width:100%;
.footer-box{
  display
  width:$width;
  height: 50px;
  background-color: red;
  .footer-tab{
    height: 50px;
    background-color: blue;
  }
}
</style>